* buildAttributesXml - Builds XML reponse for requested object attributes * @param {Object} objectMD - The internal metadata object for the file/object. * @param {string} [objectMD.content-md5] - The MD5 hash used for the ETag. * @param {string} [objectMD.x-amz-storage-class] - The storage tier o
(objectMD, userMetadata, requestedAttrs, xml)
| 58 | * @returns {void} - this function does not return a value, it mutates the `xml` param. |
| 59 | */ |
| 60 | function buildAttributesXml(objectMD, userMetadata, requestedAttrs, xml) { |
| 61 | const customAttributes = new Set(); |
| 62 | for (const attribute of requestedAttrs) { |
| 63 | switch (attribute) { |
| 64 | case 'ETag': |
| 65 | xml.push(`<ETag>${objectMD['content-md5']}</ETag>`); |
| 66 | break; |
| 67 | case 'ObjectParts': { |
| 68 | const partCount = getPartCountFromMd5(objectMD); |
| 69 | if (partCount) { |
| 70 | xml.push( |
| 71 | '<ObjectParts>', |
| 72 | `<PartsCount>${partCount}</PartsCount>`, |
| 73 | '</ObjectParts>', |
| 74 | ); |
| 75 | } |
| 76 | break; |
| 77 | } |
| 78 | case 'StorageClass': |
| 79 | xml.push(`<StorageClass>${objectMD['x-amz-storage-class']}</StorageClass>`); |
| 80 | break; |
| 81 | case 'ObjectSize': |
| 82 | xml.push(`<ObjectSize>${objectMD['content-length']}</ObjectSize>`); |
| 83 | break; |
| 84 | case 'RestoreStatus': |
| 85 | xml.push('<RestoreStatus>'); |
| 86 | xml.push(`<IsRestoreInProgress>${!!objectMD.restoreStatus?.inProgress}</IsRestoreInProgress>`); |
| 87 | |
| 88 | if (objectMD.restoreStatus?.expiryDate) { |
| 89 | xml.push(`<RestoreExpiryDate>${objectMD.restoreStatus?.expiryDate}</RestoreExpiryDate>`); |
| 90 | } |
| 91 | |
| 92 | xml.push('</RestoreStatus>'); |
| 93 | break; |
| 94 | case 'x-amz-meta-*': |
| 95 | for (const key of Object.keys(userMetadata)) { |
| 96 | customAttributes.add(key); |
| 97 | } |
| 98 | break; |
| 99 | default: |
| 100 | if (userMetadata[attribute]) { |
| 101 | customAttributes.add(attribute); |
| 102 | } |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | for (const key of customAttributes) { |
| 107 | xml.push(`<${key}>${userMetadata[key]}</${key}>`); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | module.exports = { |
| 112 | parseAttributesHeaders, |
no test coverage detected